Weather Forecast for Harrisburg

Pennsylvania, United States of America

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Sunny

Current Weather - Harrisburg: 14°C

Pennsylvania, United States of America

Sunny

Feels like 11°C

Wind

4 km/h SE

Humidity

34%

Pressure

1035 mb

UV Index

4

Visibility

10 km

Sunny

Sunny

Sunday, October 18, 2026

High

15°C

Low

2°C

Rain Chance

2%

Hourly Forecast

Clear 8°C
19:00
Clear 8°C
20:00
Clear 7°C
21:00
Clear 7°C
22:00
Clear 6°C
23:00
Oct 19

Day Statistics

Maximum Wind

6 km/h

Humidity

49%

Precipitation

0 mm

UV Index

4

Visibility

10 km

Rain Chance

2%

Snow Chance

0%

Sun & Moon

Sunrise

07:21 AM

Sunset

06:23 PM

Moonrise

02:57 PM

Moonset

Does not set today

Moon Phase

First Quarter

Moon Illumination

58%

Air Quality

PM2.5

6.6

μg/m³

PM10

7.4

μg/m³

NO₂

12

μg/m³

O₃

54.2

μg/m³

SO₂

3

μg/m³

CO

179.3

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

659.04

Diffuse Radiation

120.9

DNI

843.09

GTI

122.2

When to visit Harrisburg?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: May June August

January

☀️
4°C
💧
12 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month

February

☀️
6°C
💧
11 Days of rain
❄️
Very heavy snowfall
🌵 Driest month

March

☀️
11°C
💧
14 Days of rain
❄️
Very heavy snowfall

April

☀️
18°C
💧
14 Days of rain
❄️
Moderate snowfall

May

☀️
23°C
💧
13 Days of rain
❄️
No snowfall
⭐ Best time to visit

June

☀️
28°C
💧
13 Days of rain
❄️
No snowfall
⭐ Best time to visit

July

☀️
31°C
💧
14 Days of rain
❄️
No snowfall
🔥 Hottest month

August

☀️
30°C
💧
12 Days of rain
❄️
No snowfall
⭐ Best time to visit

September

☀️
26°C
💧
16 Days of rain
❄️
No snowfall
🌧 Wettest month,

October

☀️
19°C
💧
13 Days of rain
❄️
Moderate snowfall

November

☀️
12°C
💧
12 Days of rain
❄️
Moderate snowfall

December

☀️
6°C
💧
13 Days of rain
❄️
Very heavy snowfall